From 91bfde1a56e261157ba0252fdded8d04d485ff36 Mon Sep 17 00:00:00 2001
From: Kyle Harding <kyle@balena.io>
Date: Wed, 15 Nov 2023 13:54:04 -0500
Subject: [PATCH] Create /dev/fd symlink so anonymous pipes can be created

In order to support process substitution and anonymous
pipes we need to ensure the /dev/fd path exists.

Change-type: patch
Signed-off-by: Kyle Harding <kyle@balena.io>
---
 overlay/sbin/init | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/overlay/sbin/init b/overlay/sbin/init
index 4190822..1dbe3b9 100644
--- a/overlay/sbin/init
+++ b/overlay/sbin/init
@@ -6,6 +6,9 @@ exec 2>/dev/console
 chown root:tty /dev/console
 chmod 622 /dev/console
 
+# create symlink to /proc/self/fd
+ln -s /proc/self/fd /dev/fd
+
 ln -s /proc/self/fd/0 /dev/stdin
 ln -s /proc/self/fd/1 /dev/stdout
 ln -s /proc/self/fd/2 /dev/stderr